byJamison, V. C., 1907-; Thornton, John F., 1920-; United States. Agricultural Research Service. Soil and Water Conservation Research Division; United States. Soil Conservation Service; University of Missouri. Agricultural Experiment Station
"Prepared by Soil and Water Conservation Research Division, Agricultural Research Service, U.S. Department of Agriculture in cooperation with Missouri Agricultural Experiment Station and Soil Conservation Service." Topic: Farm ponds Missouri
byKlein, Leonard M., 1916-; Harmond, Jesse E. (Jesse Edward), 1906-; Hurst, W. M; United States. Agricultural Research Service. Agricultural Engineering Research Division; Oregon State College. Agricultural Experiment Station
Caption title Topics: Seeds Losses Oregon Willamette River Valley, Grasses Harvesting Oregon Willamette River Valley,...